Roller-bearing.



A. NORLING. ROLLER BEARING. APPLICATION FILED Nov. ao, 1910.

Patented 0015.7, 1913.

l mm emigreren nEINHoLD A. Noname, or AURORA.' ILLINOIS, As's'IGiton To AURORA AU'roMA'iIo MACHINERY COMPANY, or AUROBALIKLLINOIS, A coRPBATIQN0F`ILL1No1s.

T0 all whom it may con cern Be it known that I, REINHOLD A. NoaLiNG, a citizen of the United States, and a resident of Aurora,.in the county of Kane and State of Illinois, have invented certain newy and -useful Improvements in Roller-Bearings;

l and I do hereby declare that the following is a'full, clear,'-aiid exact description thereof, reference being had to the accompanying drawings, and Ato the letters. of reference marked thereon, which'forni` a part of this specification'. y This invention relates to improvements in portable pneumatic motors and more particularly to such `as'are appliedto operate a drill or like tool.

The improvements constituting my invenf tion-appear in the` accompanying drawings as applied to machine having four power cylinders of the kind Aillust-rated in U. S. Letters Patent No. 792,281, anted to me on June 13th, 1905; but my invention is also applicable "to other machines of the saine 'general character..

The invention consists ofthe matt-ers hereinafter' described and more particularly pointed out in the appended claim.

In the drawings :-Figure' l is a partial sectional view of a machine containing my invention, the section being taken through the central axis of the two actuatin or driving spindles and the crank sha t of the motor. Fig. 2 is a section 'taken on the same plane as that of Fig. 1 through one of the end bearings of the crankshaft, the section being on an enlarged scale. Fig. 3 is a perspective view of a bearing sleeve con' y tained in the end bearing. Fig. 4 is a plan viewof an end thrust plate provided in the end bearings. Fig. 5 is a vertical section through the cage of the bearings.

The main features of the machine are substantially identical with the machine described in the patent referred to.

A indicates the main casing of the machine which contains the air supply chamber, the power cylinders, and the crank chamber.

C indicates the crank chamber and AD (Fig. l) indicates one of the power cylinders.

The main casing A is provided on one side with a handle G and on the opposite -side with a supply pipe F which constitutes the other handle.

Specification of Letters Patent.g

RoLLEipBEARING.

1, indicateY connectingrods which arecoi nected respectively to a piston working "in the cylinder D and to a piston working iny one of the other cylinders, which does not "appear in thedrawings. Said crank shaft' engages at its `upper enda bearing J supe ported in the top wall ofthe casing A at the top of the crank chamber and at its lower l `end engages a bearing I, which is supported in a'cap or `auviliary casing A1. which is Patented Oct. 7, 1913.'

Application led November 30, 1910. SeralpNo. 594,814. Y

secured tol what may be called the lor-:er face of the main casing A. The` main driving spindleV (not shown) isv actuated by the crank shaft II through a pinion H1 formed spur gear H2 keyedto said spindle. v

y on said crank shaft and internieshi'ng with a 'The featuresof the :machine4 thus farro, i

ferred to4 are substantially" as describedfin the above mentioned further description.

patent' and require noA of niy particular invent-ion referred to herein which relate to the bearings of the crankl shaft H. The bearings I and J areidentical and a description of one will suffice f or both.

Jl indicates a tubular housing niade rigid with the casing, in this case, the top wall A3 of said casing. The said -housing is intevriorly cylindric and forms a chamber into which the end of the shaft extends. -As shown in the drawings, said housing embraces a threaded part J made integral with the casing top A3 and an internally threaded cap J Y screwed thereon. At )the base of said housing is formed an annular internal iange J2 which surroundsbut is spaced from the crank-shaft and forms an outwardly facing, annular shoulder at tlie'inner part of the cylindrical chamber formed by the part J".

Said tiange is provided with diametrica'lly opposite apertures j, j.'

K indicates a bearing-sleeve which is located within the housing J1 with its inner end bearing against an outwardly facing shoulder -on the flange J2, and lugs 7c, Il: formed thereon engaged within the apertures y', j (see Figs. 2 and 3). Within the bearing sleeveJ K is located a cage L in which are rotatably mounted antifriction rollers Z. Said cage L is divided by a transverseA planeat right angles to-its longitudinal central axis' into part-s L1 L2 which are rigidly secured together by means oflongitudinally extend# ico ingv rivets L8 L3. Longitudinal, similarly spaced, apertures Z1 areV formed 1n the cage.

. The rollers Z have bearing in said apertures and engage with their inner surfaces against the crank-shaft I-I.v The cage L and bearing-sleeve Kare confined in `place by a plate v N which engages against the outer end of the bearing sleeve K and is rigidly held engaged therewith by the cap J". Said plate N is provided with notches n n, int-o which project lugs lo? 7:1 formed on the outer end of the bearingsleeve K. Byreason of the engagement of the lugs 7c of the bearingsleeve K in the apertures j y' of the annular housing flange J 2, said'sleeve is held against f rotation and on account of the engagement of the lugs icl/c1 of the sleeve in the notches v n a of the plateN,l said plate is held against at its margins between the parts A and AL so: from the crank-shaft. The opposite end of rotation. The cage L fits loosely between the bearing-sleeve K and theY crank-shaft H and has sufficient' end play between the late N- and the housing flange J 2 to run free y.

As in the patent above referred to the crank-shaft is supported intermediate its ends by a bearing-plate R which is clamped of the casing and which has a. bearing sleeve R1 as in the patent referred to. Said bearing sleeve R1 is in this instance provided at one end with an annular flange r spaced said sleeve R1 abuts againstan annular shoulder r1 formed on the crank-shaft II and between the shoulder r1 and the flange r is located a cage LX provided 'with rollers Z ,as` before. Said cage fits loosely between the bearing-sleeve lR1 and the crank-shaft I-I and is confined in place by the shoulder lon the shaft and the iiange 7' on the sleeve.

I claim as my invention shaft, of an end bearing for said shaft, comprising a cylindric housing provided wlth a bore concentric with said shaft, and an' annular flange at the inner end of said bore, said flange being provided with transversely extending apertures, a bearing sleeve tittin within said bore and provided at its en s with outwardly extending lugs, the lugs at the inner end thereof being adapted to engage the apertures of the said flange,.to

.threaded engagement with the Aouter marginal surface of said housing and adapted to bear against the outer surface of said thrust plate.

In testimony, that I claim the foregoing as my invention I affix my signature in the y presence of two witnesses, this 26th day of Tovember, A. D. 1910.

REINHOLD A. NORLING. W'it-nesses ALois O. WARREN," CEAS. A. BURGEss.

4o The combination with a casing and a 

